If it was a matter of plugs it should start but they might foul easily since
this is a pretty cool plug. The "book" plug is BP6HS and a slightly hotter
one is BP5HS, which you should use if burning oil, etc.
I would look the system over really well and make sure the ignition system
is working. Hook a wire to a plug laying on the valve cover or some such
and see the spark with your own eyes.
If you just now installed the Crane system you may have timing issues,
especially if you pulled and replaced the distributor. Be sure the rotor
is pointing at #1 when both #1 valves are closed tightly. The instructions
for stabbing the distributor are a little muddy and it is VERY common to put
it in backwards, pointing to #4 when it should be pointing to #1.
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George Downs Bartlesville, Heart of the USA!